(19)

(11)

EP 2 907 139 A2

(12)

(88) Date of publication A3: 12.09.2014 (43) Date of publication: 19.08.2015 Bulletin 2015/34 (21) Application number: 13871645.1 (22) Date of filing: 07.10.2013

(51) International Patent Classification (IPC):  G21C 17/003(2006.01) (86) International application number: PCT/US2013/063633 (87) International publication number: WO 2014/113092 (24.07.2014 Gazette 2014/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 09.10.2012 US 201261711239 P 14.03.2013 US 201313802907 (71) Applicant: Westinghouse Electric Company LLC Cranberry Township, Pennsylvania 16066 (US)	(72) Inventor: FOLEY, Kevin J. Chattanooga, Tennessee 37421 (US) (74) Representative: Gallo, Wolfgang  Fleuchaus & Gallo Partnerschaft mbB Patent- und Rechtsanwälte Buchenweg 17 86573 Obergriesbach 86573 Obergriesbach (DE)